*{
    padding: 0;
    margin: 0 auto;
}
/**头*/
.header{
    width: 100%;
    height: 100px;
    margin-top: 10px;
}

.header .logo{
    position: relative;
}

.header .logo img{
    width: 100px;
    position: absolute;
    left: 300px;
}

.header .nav{
    width: 1200px;
    position: absolute;
    background-color: #f19355;
    left: 400px;
    font-size: 30px;
    font-weight: bold;
    margin: 40px 10px;
}
.header .nav li{
    list-style: none;
    float: left;
    padding: 0 20px;
}

.header .nav li a{
    text-decoration: none;

}
.header .log-reg{
    float: right;
}

/**内容*/
.main{
    width: 1300px;
}
.main iframe{
    width: 100%;
    height: 3100px;
    /* background-color: #f0d62a; */
    /* display: none; */
}

/**尾*/
.footer{
    width: 1310px;
    background-color: #000000;
    color: #ffffff;
}
.footer th{
    font-size: 20px;
    padding: 10px;
}
.footer td{
    font-size: 15px;
    padding-left: 10px;
}



